08Nov

find a122 of the sequence 5, 8, 11

ijay Mathematics 1 2

find a122 of the sequence 5, 8, 11

Posted by ijay | Posted at Nov 08, 2019 | Categories: Mathematics

Answers

MickieGelormino111
MickieGelormino111

5, 8, 11, ... is an arithmetic sequence where: [latex]a_1=5; a_2=8; d=8-5=3\\a_n=a_1+(n-1)d o a_n=5+(n-1)cdot3=5+3n-3=2+3n\\therefore\\a_{122}=2+3cdot122=2+366=368[/latex]

Nov 08, 2019 18:16

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